45243111245 has 16 divisors (see below), whose sum is σ = 57506219568. Its totient is φ = 34053043200.

The previous prime is 45243111241. The next prime is 45243111259. The reversal of 45243111245 is 54211134254.

It can be written as a sum of positive squares in 8 ways, for example, as 2676406756 + 42566704489 = 51734^2 + 206317^2 .

It is not a de Polignac number, because 45243111245 - 2² = 45243111241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243111241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142595 + ... + 332895.

It is an arithmetic number, because the mean of its divisors is an integer number (3594138723).

Almost surely, 2^45243111245 is an apocalyptic number.

It is an amenable number.

45243111245 is a deficient number, since it is larger than the sum of its proper divisors (12263108323).

45243111245 is a wasteful number, since it uses less digits than its factorization.

45243111245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193120.

The product of its digits is 19200, while the sum is 32.

Adding to 45243111245 its reverse (54211134254), we get a palindrome (99454245499).

The spelling of 45243111245 in words is "forty-five billion, two hundred forty-three million, one hundred eleven thousand, two hundred forty-five".